Seth Shostak (born July 20, 1943) is an American astronomer, currently Senior Astronomer and Director, Center for SETI research. Read full biography of Seth Shostak →
If you could drive straight down, into a tunnel bored through the crust of the planet, you'd hit this molten mess in about an hour. It's... →
In 1908, there was a persuasive demonstration of the power of high-speed, low-mass asteroids in rural Siberia. The Tunguska impactor iced millions of... →
In days gone by, scientists would speak solemnly about our solar system's 'habitable zone' - a theoretical region extending from Venus to... →
It seems obvious that if a species has the brainpower for speech, along with the sort of appendages that can manipulate a pair of pliers, it will... →
It seems that 'rocket scientist' is a job category that's here for the long haul, like 'mortician.' But all this activity masks... →
Just knowing that there's somebody else out there - that what's happened on this planet has also happened in many other places - that might... →
Like prospecting in the 19th century, reconnaissance of the asteroids would of necessity take place in an arena where trouble is likely and help is... →
Look, science is hard, it has a reputation of being hard, and the facts are, it is hard, and that's the result of 400 years of science, right? I... →
Most of the intelligence out there must be artificial intelligence. We keep looking for critters like us living on a planet like ours, where in fact... →
Once typecast as the indispensable altarpiece of a well-appointed living room, TVs have infected every human environment. The average American... →
Our brains are continuing to evolve, and perhaps a few tens of thousands of years from now, our descendants will walk around with five pound brains... →
Our retinas and brains have been wired by a hundred million years of evolution to find outlines in a visually complex landscape. This helps us to... →
Sending greeting cards to aliens is hardly a new idea. In 2005, Craigslist solicited messages for broadcast to space by a transmitter in Florida, and... →
Seth Shostak (born July 20, 1943) is an American astronomer, currently Senior Astronomer and Director, Center for SETI research.